Tianbang Silvery 1" Inside Diameter Oval Ring Lobster Clasp Claw Swivel Eye Hole for Strap Pack of 6 Swivel tail oval ring inside diameter:1". Lobster clasp total Length:2.2". Snap opening mouth maximum size about:0.5".Eye hole diameter:0.45". Lobster all kinds of purse or bag strap connector. Full 360 degree swivel eye helps prevent tangles.